| 摘要 |
<p>Disclosed is a trailer braking device, comprising a damping assembly (2), a hand brake (4) and a contact assembly (3); the damping assembly comprises a sleeve (27) and an oil damping buffer cylinder (23); the sleeve is fixed in a traction head (1); the oil damping buffer cylinder is fixed in a buffer frame (6); the contact assembly comprises a connecting plate (31) hinged in the buffer frame via a bolt (35); the connecting plate rests against the sleeve at one end, and is connected to a connecting pull head (34) via a strip plate (33) at the other end; the connecting pull head is connected to the brake of the trailer via a pull wire (5); the hand brake comprises a handle casing (49) installed on the bolt; a large toothed plate (48) fixed on the bolt is installed in the handle casing; and a pneumatic stay bar (46) is disposed between the large toothed plate and one end of the handle casing. The resilience of the oil damper has a dampening effect for the trailer; the contact assembly transmits a brake signal to the hand brake, then the hand brake pulls a pull wire to brake the trailer, and the pneumatic stay bar maintains the braking state, thus avoiding damage by the trailer impacting the tractor.</p> |
